Prefer not to be listed? Remove my listing.
Registered patent attorney
John Howard Platt
Firm
Snell and Wilmer, L.L.P.
Address
One Arizona Center
400 E. Van Buren
Phoenix, AZ, 85004-2202
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Phoenix, Arizona
- Robert A AbernethyOffice of the Legal Defender
- Vasant L. AbhyankerUSPTO Reg. 72597
- Sharif S. AhmedHusch Blackwell LLP
- Bryan A AlbueSherman & Howard L.L.C.
- Charles J AllenUSPTO Reg. 48292
- Jonathan D AllredPerkins Coie LLP
- Daniel J. AndersonUSPTO Reg. 68307
- Bryan C AndersonHoneywell International Inc.
Frequently asked
Frequently asked about John Howard Platt
Is John Howard Platt a registered patent attorney?
Yes. John Howard Platt is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 47863). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John Howard Platt located?
John Howard Platt's office is in Phoenix, Arizona (85004-2202). Affiliated with Snell and Wilmer, L.L.P..
What firm does John Howard Platt work at?
John Howard Platt is listed as affiliated with Snell and Wilmer, L.L.P. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John Howard Platt?
John Howard Platt's office phone (per the USPTO public roster) is 602-382-6367. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.